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Finding the Fourth Proportional to 102,539.20, 153,643.20 and 58,033.60

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Solution

The fourth proportional to 102,539.20, 153,643.20 and 58,033.60 is: 86,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,539.20 : 153,643.20 = 58,033.60 : x
  2. Step 2: Convert to fraction form
    102,539.20/153,643.20 = 58,033.60/x
  3. Step 3: Cross multiply
    102,539.20x = 153,643.20 × 58,033.60
  4. Step 4: Simplify right side
    102,539.20x = 8,916,468,011.52
  5. Step 5: Solve for x
    x = 8,916,468,011.52/102,539.20
  6. Step 6: Final answer
    x = 86,956.68

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